Double-Headed Design :The double-headed design of this eyeliner pen offers versatility, allowing you to create both upper and lower lash lines with ease. • Evenly Pigmented :With its evenly pigmented formula, this eyeliner ensures a smooth application, preventing any uneven patches or clumps. • Long-Lasting & Waterproof :This waterproof eyeliner is designed to withstand the test of time and moisture, ensuring your makeup stays intact all day long. • Smudge-Proof :The smudge-proof formula of this eyeliner pen guarantees a clean, smudge-free look, perfect for those who prefer a tidy makeup style. • Easy to Wear :Its easy-to-wear liquid formulation makes it simple to apply, even for beginners, making it a great choice for both experts and novices. • Dual Head, Dual Effect, Versatile With One Stroke. •Easy To Learn, Beginners Can Easily Handle It.